“Good luck today. Don’t embarass us.”

Provide a broad overview of how the United States Military Academy at West Point uses R to improve cadet performance

• What is West Point?

• Who are we?

• How we use R?

• 4 Year Academy

• 3 Pillars
  • Academic
  • Military
  • Physical
• Graduate
  • Bachelors Degree
  • Second Lieutenant in US Army

“Being a data scientist is when you learn more and more about more and more, until you know nothing about everything” - Will Curkierski

Doing Data Science
Straight Talk from the Frontline
By Cathy O’Neil, Rachel Schutt

And many more…

• Course Organization

• STEM Outreach

• Teaching Tool

• Army Decision Making

• Improving Education / Cadet Experience

Do Students Learn Statistics Better in an Academically Homogeneous Classroom?

Overview

• 500 cadets a semester

• 17 cadets per classroom

• 11 Instructors

1. Develop model to predict performance

2. Designate Control / Treatment Group

3. Execute the semester / experiment

4. Evaluate results

• Pre Processing
  • Center
  • Scale
  • KNN for 3 Observations
• Design
  • Repeated Cross Validation
  • 75/25 Split

Linear Regression

set.seed(206)
lm1 <- train(ma206 ~ ., data = dataTrain, 
             method = "lmStepAIC",
             trControl = fitControl)

LASSO

set.seed(206)
lasso <- train(ma206 ~ ., data = dataTrain,
              method = "glmnet",
              trControl = fitControl)

Random Forest

set.seed(206)
randforest <- train(ma206 ~ ., data = dataTrain, 
                     method = "rf", 
                     trControl = fitControl)

t.test(randomized,ability, mu = 0, alternative = "two.sided")

mod = lm(FinalGrade~predictedgrade+abilityindicator, data = data)
summary(mod)